What Would Make a Pile of Rounded Sand Grains Collapse

question 34

Short Answer

What would make a pile of rounded sand grains collapse to be almost flat?

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Definitions:

Parvocellular Cells

Neurons within the parvocellular layer of the lateral geniculate nucleus of the thalamus, involved in high-resolution color vision and fine visual details.

Visual Signals

Information perceived through the eyes and interpreted by the brain, involving light being converted into electrochemical signals for visual processing.

Trichromatic Color Theory

A theory stating that the human eye perceives color through the relative rates of response by three types of cones, each sensitive to different wavelengths of light (red, green, and blue).

Trichromatic Color

A theory of color vision based on the existence of three types of cone cells in the eye, each sensitive to red, green, or blue light.